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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * The Universal Permissive License (UPL), Version 1.0
 *
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 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
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 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
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 * This license is subject to the following condition:
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 * The above copyright notice and either this complete permission notice or at a
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package com.oracle.truffle.sl.builtins;

import com.oracle.truffle.api.dsl.Bind;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.ImportStatic;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.instrumentation.AllocationReporter;
import com.oracle.truffle.api.interop.ArityException;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.library.CachedLibrary;
import com.oracle.truffle.api.nodes.NodeInfo;
import com.oracle.truffle.sl.SLException;
import com.oracle.truffle.sl.SLLanguage;
import com.oracle.truffle.sl.runtime.SLContext;
import com.oracle.truffle.sl.runtime.SLNull;

/**
 * Built-in function to create a new object. Objects in SL are simply made up of name/value pairs.
 */
@NodeInfo(shortName = "new")
@ImportStatic(SLContext.class)
public abstract class SLNewObjectBuiltin extends SLBuiltinNode {

    @Specialization
    @SuppressWarnings("unused")
    public Object newObject(SLNull o,
                    @Cached(value = "lookup()", neverDefault = true) AllocationReporter reporter,
                    @Bind SLLanguage language) {
        return language.createObject(reporter);
    }

    final AllocationReporter lookup() {
        return SLContext.get(this).getAllocationReporter();
    }

    @Specialization(guards = "!values.isNull(obj)", limit = "3")
    public Object newObject(Object obj, @CachedLibrary("obj") InteropLibrary values) {
        try {
            return values.instantiate(obj);
        } catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
            /* Foreign access was not successful. */
            throw SLException.undefinedFunction(this, obj);
        }
    }
}
